Add and Minus between two integer, aritmetic operation determined by the user.

add_minus.c

#include <stdio.h>
int main( )
{
    char op;
    int num1, num2, sum;
    printf("Enter 1st integers: ");
    scanf("%d",&num1);
    
    printf("Enter 2nd integers: ");
    scanf("%d",&num2);
    
    printf("Enter Arithmetic Operation (- / +): ");
    scanf(" %c",&op);
    
    if(op == '-'){
          printf("== Minus ==");
          sum=num1-num2;
    }else if(op == '+'){
          printf("== Plus ==");
          sum=num1+num2;
    }
    
    printf("\nSum: %d",sum);  /* Displays sum */
    return 0;
}